Lubricating system



Patented dan. i6, 1923.

' STATES A .tarea paraat ortica..

JOHN SCHEMINGER, JR., F PROVIDENCE, RHODE ISLAND. l

LUBRICATING SYSTEM.

Original application led August 7, 1919,.Seria1 No. 315,893. Dividedandthis application led October 27, 1919. serial No. 333,760; Y

To all whom it may concern:

Be it known that I, JOHN SCHEMINGER, J r., a citizenof the UnitedStates, residing at Providence, in the coun-t 5 and State of Rhode Islanhave invented certain new and useful Improvements in LubricatingSystems; and I do hereby declare the following to be a full, clear, andexact description of the invention, such as will enable others skilledinthe art to which it appertains to make and use the same.

This invention relates to a method and apparatus for lubricating shaftbearings and driving gea-ring, such for example as the shaft bearingsand associated driving gears of a rotary oil burner of the typeillustrated yand described in my application for' a thermally controlledrotary oil burner, Serial No. 315,893 filed August 7, 1919; this being adivision of said application.

The objects of the inyention are to provide eiiicient and durable meansfor lubricating the bearings in which a driving shaft may be journaledand associated driving gearing, and more particularly the driving shaftof a rotary oil burner, although the invention is not limited in itsapplication to any particular class of machines..

Another object is to cause a circulation of the lubricating mediumthrough the shaft bearings and the casing or casings'- containing thegears on the driving and driven shafts of rotary oil burner or othermachine, so as to produce a' cooling effect upon '35 the bearings anddriving gears and prevent overheating and injury thereto by means of thelubricating medium."

The invention will first be hereinafter more particularly described,with reference l 40 -to the accompanying drawings, which are tol betaken as a part of this specification, andthen pointed out in theclaims'at the end of the'description. v

In saiddrawings Fig. *.1 is a vertical sectional elevation of the lowerportion' of a rotary oil burneralso showing inside elevation,lpartly insection a wormgear casing and adjacent pump caslng and pipes connectingthe same with the burner easing for effecting a. circulation of oil orother lubricant through the gear casings and bearings in which thevertical shaft of the burner-or i V-ot'herimachine has its bearings, and

of Providence ing for a rotary oil pump for effecting a circulation ofoil or other lubricant through the'gear casings and shaft bearings.

I have shown my improved lubricating system in connection with' afragmentary 60 portlon of a rotary oil burner, such as shown in myaforesaid application, for the purpose of illustrating the applicationvof the invention to one of the uses for which it is especiallydesigned, but it will be understood of course that the invention is notlimited in its application to rotary oil burners, as it is adapted to beused in lubricating the shaft bearings and driving gears of variouskinds of machines.

Referring to said drawings, in which the same reference letters are usedto denote corresponding parts in different views, the let- 4ter Adenotes a driven shaft, in this instance the vertical shaft of a rota-ryoil burner, hav- 75, ing a spray plate or other device (not'shown) onitsupper end, and which is journaled in upper and lower annular radialand endthrust bearings B, and B,l,of a well known type, arranged withina hollow casting C, having attached thereto on its underside a feed-pipesupporting bracket D; said shaft being supported in said bearings andcarrying a helical gear a in mesh with a vsmaller helical gear e on adriving shaft E, l

which is journaled in bearings provided therefor, -at one end, insaidcasing C, and at the other end, in a worm gear casing F. The shaft Ealso carries a Worm gear vE arranged within4 the gear casing F 90 inmesh with a worm gear g on a shaft G, which has its'bearings in thecasing F Vand is operatively connected with one of the pistons of arotary-pump I, housed in or beside the casing F. The interior of thehollow casting C forms an oil chamber in which the helical gears a and'e are housed and submerged in oil. Any suitable gears may be employed,but preferably the larger helical gear a is constructed of fibre orcomposition to deaden sound. The feed-pipe support or bracket D mayloe-bolted or otherwise secured to the base of the hollow casting C, andhas on the underside thereof a boss d for securing thereto an oilfeed-pipe, when the device is used in connection with a rotary oilburner having a hollow shaft in which the feedl pipe is enclosed, asshow-n. Instead of a hollow shaft having a fuel feed .pipe therein, thedriving or driven shaft which oil is supplied to the burner, extendsupwardly through the hollo-w shaft Af and has its lower end seated in asocket in the bracket D, which communicates with an opening in one sideof the boss ai, and in said side opening is screwed an interior-lythreaded plug or sleeve 71, in which is inserted the end of the oil feedApipe H', through which and the vertical pipe H passes asmaller pipe hfor feeding a pilot light with gas. Sulicient space is provided betweenthe outer and inner pipes for the passage of liquid fuel through thelarger he worm gear chamber F 1s provided with a gage L to indicate thelevel of the oil therein, and with an oil cup M having a removable coverfor filling the'chamberwith oil. The rotary pump I preferably comprisestwo peripherally toothed rotating members, one member being fixed on astub shaft, the inner end of which has a square or polygonal reducedextension iitted in a correspondingly shapcd'recess in the adjacent endof shaftG, whereby said member is adapted to rotate with the shaft G andimpart rotarymovement to the other rotating member in mesh therewith, sothat when the shaft G is rotated oil will be drawn by suction from theworm gear chamber and forced through a pipe c in to the upper end of thehollow casting C or the upper vertical shaft bearing B, from which itwill ow downwardly into the gear chamber vwithin the hollow casting Cand from the latter sufficient oil will flow into the lower verticalshaft bearing B to keep the latter vsubmerged in oil. From the oilfilledgear cham'- ber within the casting C oil is drawn by the pump through apipe c back into the' worm gear chamber F, whereby a constant flow ofoil into and out of the gear chambers and through the vertical shaftbea-rings is maintained, and bythe circulation of the oil the Worm andhelical gears and shaft bearings are thoroughly lubricated and at thesame time -a cooling effect is produced which prevents overheating ofthe bearings and driving gears.

' The main driving shaft may be connected `with the drivingshaft'of anelectric or other motor or engine (not shown) byl belt and I pulley orany suitable driving gearing, for

imparting rotary movement thereto and through it to the rotary pumppistons; such belt drive or other gearing being of any ordinary or wellknown construction. It may i be .desirable to utilize the same motorthat rotates the vertical shaft; of the burner, or other apparatus ormachlne, andthe lubriing an annular radial and end-thrustbearvconnecting said pump with upper and lower cating pump, foractuating the driving shaft of a liquid fuel supply pump (not shown) Qrother apparatus or machine, and to this end the shaft G may beoperatively connected with the driving shaft of another machine drapparatus to be operated, or with one of the rotary pistons of a. fuelsupply pump (not shown) for actuating the latter in unison with thelubricating pump.

Having thus described my invention, what I claim as new and desire tosecure by Letters Patent isz- 1. 'A lubricating device comprising ahollow standard having an annular radial and end-thrust bearing securedtherein at or near each end and an intermediate oil chamber, a verticalshaft journaled in said bearings, a horizontal shaft extending into saidoil chamber and having a gear thereon in mesh with a gear on saidvertical shaft, a rotary pump, anv oil container in communication beingconnected with the intake and the other with the discharge fromsaid'pump, whereby a continuous circulation of oil is 'eected through'said standard and around the shaft bearings and gearing housed thereinand in said oil container. v

Q. In combination, a hollow stan-dard having secured therein at or neareach end and an intermediate oil chamber, a vertlcal shaft shaftextending into said oil chamber and having agear thereon in mesh with agear on sald vertical shaft, a rotary pump, a casing having an oilchamber in communication with said pump, a shaft journaled-in saidcasing and having one end operatively connected with said pump, said'sha-ft also having a gear thereon housed within the vjournaled in saidbearings, 'a horizontal oil chamber in said casing and meshingrwith i agear on said horizontal shaft, and pipes portions of said standard, one-of said pipes being` connected with the intake and the other with thedischarge from said pump.

3.A In combination, a hollow standardfhaving Aan annular radial andend-thrust bearing secured therein at or near each end and anintermediate oil chamber, a vertical shaft journaled in said bearingsand having a gea-r thereon housed in said oil chamber, a horizontalshaft extending `into said oil chain! 125VA ber and having a gearthereon inmesh with the gear on Vsaid verticalshaft, a worm-gear casing,agear. on said horizontal shaft in mesh .with a gear on anothershaftjournaled in said 'worm-gear casing, .the latter shaftbeingkoperatively lconnected with a rotary 130 pump arranged beside saidworm-gear cas'- ing,` and plpes connecting the intake and dlschargeports of said pump with upper 'and lowcr portions yof said hollowstandard,

ing having an oil chamber therein contain-v ing a gear fixed on saidmain driving shaft in mesh with a gear on a shaft journaled in said gearcasing; said main driving shaft also having a bearing in saidgear-casing, an oil pump in communication with the oil chamber in saidgear casing, and pipes connecting the oil chamber in said structure withthe intake and discharge from said pump, whereby oil may be caused tocirculate continuously through said gear chambers and shaft bearings. y

5. In combination, a hollow shaft-supporting structure having an oilchamber therein. a vertical shaft having its bearings in said structureand having a gear thereon within said oil chamber, a gear casing havingan oil chamber therein, a .rotary oil pump having its intake incommunication with the latter oil chamber, pipes connecting the oilchamber in said structure with the intake and discharge from said pump,a shaft journaled in said gear casing, and operatively connected with apiston of said pump, and a driving shaft havingV its bearings in saidstructure and gearcasing and carrying at one end a gear lin mesh withthe gear on said vertical shaft and at the other end a gear in mesh witha gear on'the pumpoperating shaft, whereby oil may be caused tocirculate continuously through said oil chambers and shaft bearings anda cooling effect produced.

6. A lubricating apparatus for shaft beari by oil ings and drivinggearing, comprising a hollow standard having a vertical shaft journaledtherein in bearings located at or near its upper an-d lower ends. theintermediate portion of said standard forming an oil chamber, a drivingshaft extending into said oil chamber and having a lgear thereon in meshwith a ge'ar on said vertical lshaft, a

`gear casing having an oil chamber therein enclosing a gear fixed onsaid driving shaft and in mesh with a gear on a pump operating shaft, anoil pump in communication' with the oil chamber in said gear casing, andpipes connecting upper and lower portions' of said hollow standard withthe intake and discharge from said pump, wheremay be continuouslycirculated through both of said oil chambers with a cooling effect uponthe gearing housed therein.

7. In combination. a hollow standard havpipes connecting said pump withupper and lower parts of said hollow standard, one of said pipes beingconnectedwith the intake and the other with the discharge from saidpump, whereby a continuous circulation of oil is effected through saidhollow standard and through or around the shaft bearings andintermeshing gears housed therein.

In testimony whereof I affix my signature in the presence of twowitnesses.

JOHN SCHEMINGER. Jn.

Witnesses C. M. OFFUTT,

THOMAS F. BURKE.

